Base | Representation |
---|---|
bin | 10010110100110011… |
… | …001111110001111100 |
3 | 1221011200201001110202 |
4 | 102310303033301330 |
5 | 312344034431134 |
6 | 13141423023032 |
7 | 1313621245130 |
oct | 226463176174 |
9 | 57150631422 |
10 | 20213202044 |
11 | 8632909962 |
12 | 3b0143aa78 |
13 | 1ba19050a9 |
14 | d9a7433c0 |
15 | 7d4831d7e |
hex | 4b4ccfc7c |
20213202044 has 12 divisors (see below), whose sum is σ = 40426404144. Its totient is φ = 8662800864.
The previous prime is 20213201999. The next prime is 20213202059. The reversal of 20213202044 is 44020231202.
20213202044 is an admirable number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 360950009 + ... + 360950064.
It is an arithmetic number, because the mean of its divisors is an integer number (3368867012).
Almost surely, 220213202044 is an apocalyptic number.
It is an amenable number.
20213202044 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20213202044 is a wasteful number, since it uses less digits than its factorization.
20213202044 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 721900084 (or 721900082 counting only the distinct ones).
The product of its (nonzero) digits is 768, while the sum is 20.
Adding to 20213202044 its reverse (44020231202), we get a palindrome (64233433246).
The spelling of 20213202044 in words is "twenty billion, two hundred thirteen million, two hundred two thousand, forty-four".
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